JPS5895198U

JPS5895198U - Transport machine speed control device

Info

Publication number: JPS5895198U
Application number: JP18939881U
Authority: JP
Inventors: 功鈴木
Original assignee: 株式会社東芝
Priority date: 1981-12-21
Filing date: 1981-12-21
Publication date: 1983-06-28

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の速度制御装置のブロック図、第２図は第
１図の動作を示すタイムチャート、第３図は本考案の一
実施例を示すブロック図、第４図は主幹制御器のノツチ
切換速度検出回路やブロック図、第５図ａはノツチ切換
時間が短い場合のタイムチャート、第５図すはノツチ切
換が遅い場合　５のタイムチャートである。１・・・主幹制御器、２・・・ノツチ切換制御回路、３
・・・速度基準増幅器、４・・・電動機速度制御装置、
５・・・電動機、６・・・ノツチ切換速度検出回路、３
ａ〜３ｅ・・・積分コンデンサ、Ｔ１〜Ｔ３・・・タイ
マ、Ｍ・・・電動機。第４図Fig. 1 is a block diagram of a conventional speed control device, Fig. 2 is a time chart showing the operation of Fig. 1, Fig. 3 is a block diagram showing an embodiment of the present invention, and Fig. 4 is a block diagram of a main controller. The notch switching speed detection circuit and block diagram, FIG. 5a is a time chart when the notch switching time is short, and FIG. 5 is a time chart when the notch switching is slow. 1... Master controller, 2... Notch switching control circuit, 3
...speed reference amplifier, 4...motor speed control device,
5... Electric motor, 6... Notch switching speed detection circuit, 3
a-3e... Integrating capacitor, T1-T3... Timer, M... Electric motor. Figure 4

Claims

[Scope of utility model registration request]

a main controller comprising a voltage setting section formed by connecting a plurality of resistors in series, a notch provided in each resistor of the voltage setting section, and a notch switching control circuit that switches the notch and outputs the set voltage; A control device for a material handling machine comprising a motor control device that controls a motor by inputting an output signal of the notch switching control circuit, wherein a notch switching speed detection circuit of the main controller is provided, and the notch switching speed detection circuit of the main controller is provided, A speed control device for a transport machine, characterized in that the acceleration characteristic of the electric motor speed control device is changed over to adjust the amount of acceleration of the transport machine.